State profile · Below median Poor share

Indiana bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Indiana, based on the FHWA National Bridge Inventory.

18,630
Public bridges
36.1%
Good condition
4.9%
Poor condition

Data updated May 2026

Total Bridges

18,630

Public highway bridges in Indiana

Good Condition

36.1%

6,733 bridges rated 7-9

-13.9pp vs 50% benchmark

Poor Condition

4.9%

920 bridges whose lowest applicable component is rated 0-4

-2.1pp vs national avg 7.0%

Indiana vs national bridge condition

Indiana - Good condition share 36.1%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Indiana - Poor-condition share 16.5%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Indiana40.7%53.7%GoodFairPoor
Bridge inventory deck-condition mix - Indiana (FHWA NBI)

Counties (92)

Adams 191 Allen 601 Bartholomew 263 Benton 147 Blackford 56 Boone 235 Brown 34 Carroll 159 Cass 161 Clark 144 Clay 144 Clinton 205 Crawford 117 Daviess 205 DeKalb 147 Dearborn 139 Decatur 141 Delaware 272 Dubois 214 Elkhart 272 Fayette 98 Floyd 144 Fountain 195 Franklin 158 Fulton 82 Gibson 348 Grant 278 Greene 233 Hamilton 440 Hancock 189 Harrison 124 Hendricks 341 Henry 192 Howard 194 Huntington 183 Jackson 308 Jasper 186 Jay 124 Jefferson 151 Jennings 148 Johnson 213 Knox 282 Kosciusko 145 LaGrange 100 LaPorte 229 Lake 488 Lawrence 158 Madison 297 Marion 964 Marshall 185 Martin 104 Miami 165 Monroe 226 Montgomery 241 Morgan 241 Newton 167 Noble 88 Ohio 41 Orange 133 Owen 143 Parke 195 Perry 146 Pike 164 Porter 280 Posey 205 Pulaski 100 Putnam 284 Randolph 253 Ripley 188 Rush 223 Scott 113 Shelby 243 Spencer 241 St. Joseph 228 Starke 85 Steuben 134 Sullivan 208 Switzerland 62 Tippecanoe 329 Tipton 109 Union 58 Vanderburgh 286 Vermillion 125 Vigo 294 Wabash 189 Warren 136 Warrick 183 Washington 173 Wayne 342 Wells 155 White 214 Whitley 112

Indiana vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Indiana on the same metric.

AR

Arkansas

4.71% top marginal rate
Structure
Progressive
Burden @ $100K
$5,544

WA

Washington

4.81% top marginal rate
Structure
Progressive
Burden @ $100K
$8,808
Selected

IN

Indiana

4.94% top marginal rate
Structure
Progressive
Burden @ $100K
$18,630

KS

Kansas

5.25% top marginal rate
Structure
Progressive
Burden @ $100K
$23,867

WY

Wyoming

5.41% top marginal rate
Structure
Progressive
Burden @ $100K
$3,181

Bridges Needing Most Attention in Indiana

Six lowest-condition bridges in Indiana, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

MOUNT LIBERTY ROAD

Poor

Over: MOUNT LIBERTY CREEK

00.10 S 4 MILE RD, Brown, IN

Built 1929 Load: 2.7 t ADT: 150

CR 250W

Poor

Over: JONES CREEK

00.70 S of CR 250 N, Putnam, IN

Built 1925 Load: 2.7 t ADT: 180

CR 675W

Poor

Over: BRANCH OF LEATHERMAN CR

00.20 S of CR 125 N, Putnam, IN

Built 1930 Load: 2.7 t ADT: 130

CR 275S

Poor

Over: CONRAIL RR

00.50 E of CR 600 W, Putnam, IN

Built 1910 Load: 2.7 t ADT: 130

SHAPED CHARGE ROAD

Poor

Over: LITTLE OTTER CREEK

1.2 MILES NORTH OF K RD, Ripley, IN

Built 1899 Load: 2.7 t ADT: 2

WONJU ROAD

Poor

Over: TRIBUTARY OF BIG CREEK

0.3 MILE NORTH OF G ROAD, Ripley, IN

Built 1990 Load: 2.7 t ADT: 10

All Bridges in Indiana

I-65

Unknown

Over: CLIFTON STREET

06.00 N I-70, Marion, IN

Built 1968 ADT: 4,508

I-65

Unknown

Over: EAST PARKWAY

05.94 S of I-465, Marion, IN

Built 1966 ADT: 118

COLD SPRING ROAD

Unknown

Over: I-65 NB

05.36 S I-465, Marion, IN

Built 2000 ADT: 138,653

38TH STREET EB

Unknown

Over: I-65 NB RAMP TO 38TH ST

05.22 S I-465, Marion, IN

Built 2000 ADT: 138,653

KESSLER BOULEVARD

Unknown

Over: EB 38TH ST (I-65 SB RAMP

04.70 S I-465, Marion, IN

Built 1964 ADT: 73,404

I-65 NB

Unknown

Over: GUION RD NB & SB

03.93 S I-465, Marion, IN

Built 1964 ADT: 4,774

I-65 SB

Unknown

Over: GUION ROAD

03.93 S I-465, Marion, IN

Built 1964 ADT: 4,774

I-65 NB

Unknown

Over: INDUSTRIAL BLVD NB & SB

03.80 S I-465, Marion, IN

Built 1964 ADT: 61,265

I-65 SB

Unknown

Over: 38TH ST WB

03.80 S I-465, Marion, IN

Built 1964 ADT: 61,265

GEORGETOWN ROAD

Unknown

Over: I65 SB

02.56 S I-465, Marion, IN

Built 1969 ADT: 31,887

I-65 NB

Unknown

Over: LAFAYETTE RD SB

02.00 S I-465, Marion, IN

Built 1963 ADT: 24,291

I-65 SB

Unknown

Over: LAFAYETTE RD NB

02.00 S I-465, Marion, IN

Built 1963 ADT: 24,291

W 52ND STREET

Unknown

Over: I-65 SB

01.47 S I-465, Marion, IN

Built 1962 ADT: 28,669

I-65 NB

Unknown

Over: 56TH ST EB

00.91 S I-465, Marion, IN

Built 1963 ADT: 16,708

I-65 SB

Unknown

Over: 56TH ST EB

00.91 S I-465, Marion, IN

Built 1963 ADT: 16,708

I-65 NB

Unknown

Over: I-465 SBL

07.16 S SR 334, Marion, IN

Built 1959 ADT: 59,494

I-65 SB

Unknown

Over: I-465 SBL

07.16 S SR 334, Marion, IN

Built 1959 ADT: 59,494

I-65 SB

Unknown

Over: I-65 NB CONNECTOR

00.26 N I-465, Marion, IN

Built 1959 ADT: 10,270

I-65 NB

Unknown

Over: WEST 71ST ST

01.48 N I-465, Marion, IN

Built 1960 ADT: 9,957

I-65 SB

Unknown

Over: WEST 71ST ST

01.48 N I-465, Marion, IN

Built 1960 ADT: 9,957

I-65 NB

Unknown

Over: WEST 82ND STREET

03.41 N I-465, Marion, IN

Built 1960 ADT: 118

I-65 SB

Unknown

Over: WEST 82ND STREET

03.41 N I-465, Marion, IN

Built 1960 ADT: 118

W 86TH STREET

Unknown

Over: I-65 SB

04.08 N I-465, Marion, IN

Built 1959 ADT: 18,810

I-69 NB

Unknown

Over: EAST 82ND STREET EBL

00.84 N I-465, Marion, IN

Built 1969 ADT: 16,494

I-69 SB

Unknown

Over: EAST 82ND STREET EBL

00.84 N I-465, Marion, IN

Built 1969 ADT: 16,494

96TH STREET

Unknown

Over: I-69 SBL

02.58 N I-465, Marion, IN

Built 1969 ADT: 66,000

I-70 WB ON RAMP

Unknown

Over: I70 WB CD

03.26 E SR 267, Marion, IN

Built 2005 ADT: 5,000

I-70 EB OFF RAMP

Unknown

Over: I70 RAMP AP-EB

03.27 E SR 267, Marion, IN

Built 2005 ADT: 2,000

I-70 EB ON RAMP

Unknown

Over: I70 WB CD

03.25 W I-465, Marion, IN

Built 2005 ADT: 3,535

HIGH SCHOOL ROAD

Unknown

Over: I70 WB CD

00.29 W I-465, Marion, IN

Built 2004 ADT: 75,217

LYNHURST DRIVE

Unknown

Over: I-70 WB

01.18 E I-465, Marion, IN

Built 1967 ADT: 24,750

SAM JONES EXPWY

Unknown

Over: I-70 WBL ON-RAMP

01.78 E I-465, Marion, IN

Built 1967 ADT: 1,603

I-70 EB

Unknown

Over: MINNESOTA ST

02.62 E I-465, Marion, IN

Built 1967 ADT: 7,293

I-70 WB

Unknown

Over: MINNESOTA ST

02.62 E I-465, Marion, IN

Built 1967 ADT: 7,293

I-70 EB

Unknown

Over: W MORRIS STREET

03.21 E I-465, Marion, IN

Built 1967 ADT: 8,619

I-70 WB

Unknown

Over: MORRIS STREET

03.21 E I-465, Marion, IN

Built 1967 ADT: 8,619

HOLT ROAD

Unknown

Over: I-70 WBL

03.63 E I-465, Marion, IN

Built 1967 ADT: 82,500

I-70

Unknown

Over: TIBBS AVE

03.90 W I-65, Marion, IN

Built 1967 ADT: 7,558

I-70 EB

Unknown

Over: WARMAN AVE

03.37 W I-65, Marion, IN

Built 1967 ADT: 5,834

I-70 WB

Unknown

Over: WARMAN AVE

03.37 W I-65, Marion, IN

Built 1967 ADT: 5,834

I-70

Unknown

Over: BELMONT AVE

02.87 W I-65, Marion, IN

Built 1967 ADT: 6,630

I-70

Unknown

Over: HARDING ST NB

02.36 W I-65, Marion, IN

Built 1975 ADT: 6,514

I-70

Unknown

Over: DIVISION ST

02.13 W I-65, Marion, IN

Built 1973 ADT: 2,122

I-70

Unknown

Over: SOUTH RIVER AVENUE

01.72 W I-65, Marion, IN

Built 1972 ADT: 500

I-70

Unknown

Over: MISSOURI ST NB

01.31 W I-65, Marion, IN

Built 1973 ADT: 17,238

I-70 EB EXIT RAMP

Unknown

Over: CAPITOL AVENUE

00.97 W I-65, Marion, IN

Built 1975 ADT: 3,448

I-70

Unknown

Over: KENWOOD AVE

01.16 W I-65, Marion, IN

Built 1975 ADT: 3,448

I-70 WB ON RAMP

Unknown

Over: I-70 WB EXIT RAMP

01.25 W I-65, Marion, IN

Built 1973 ADT: 12,575

I-70 EB EXIT RAMP

Unknown

Over: I-70 EB ON RAMP

01.24 W I-65, Marion, IN

Built 1973 ADT: 10,569

I-70 EB/WB

Unknown

Over: ILLINOIS EXIT RAMP NB

00.93 W I-65, Marion, IN

Built 1974 ADT: 3,507

Showing 1,151-1,200 of 18,630 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.